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2900830 = 25290083
BaseRepresentation
bin1011000100001101011110
312110101012011
423010031132
51220311310
6142101434
733441142
oct13041536
95411164
102900830
111701489
12b7a87a
137a748a
14557222
153c478a
hex2c435e

2900830 has 8 divisors (see below), whose sum is σ = 5221512. Its totient is φ = 1160328.

The previous prime is 2900827. The next prime is 2900831. The reversal of 2900830 is 380092.

2900830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145032 + ... + 145051.

It is an arithmetic number, because the mean of its divisors is an integer number (652689).

22900830 is an apocalyptic number.

2900830 is a deficient number, since it is larger than the sum of its proper divisors (2320682).

2900830 is a wasteful number, since it uses less digits than its factorization.

2900830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290090.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2900830 is about 1703.1823155493. The cubic root of 2900830 is about 142.6179181960.

The spelling of 2900830 in words is "two million, nine hundred thousand, eight hundred thirty".

Divisors: 1 2 5 10 290083 580166 1450415 2900830